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DIN 17200-1987
Material Designation Chemical Composition (%)
Ck22 (1.1151)
Min
Max
Ck30 (1.1178)
Min
Max
Ck25 (1.1158)
Min
Max
C35 (1.0501)
Min
Max
Ck40 (1.1186)
Min
Max
Ck45 (1.1191)
Min
Max
Cm22 (1.1149)
Min
Max
C22 (1.0402)
Min
Max
Cm25 (1.1163)
Min
Max
C25 (1.0406)
Min
Max
Cm30 (1.1179)
Min
Max
C30 (1.0528)
Min
Max
Ck35 (1.1181)
Min
Max
Cm35 (1.1180)
Min
Max
Cm40 (1.1189)
Min
Max
C40 (1.0511)
Min
Max
Cm45 (1.1201)
Min
Max
C45 (1.0503)
Min
Max
Cm50 (1.1241)
Min
Max
Ck50 (1.1206)
Min
Max
C50 (1.0540)
Min
Max
Cm55 (1.1209)
Min
Max
Ck55 (1.1203)
Min
Max
C55 (1.0535)
Min
Max
Cm60 (1.1223)
Min
Max
Ck60 (1.1221)
Min
Max
C60 (1.0601)
Min
Max
28Mn6 (1.1170)
Min
Max
32Cr2 (1.7020)
Min
Max
32CrS2 (1.7021)
Min
Max
38Cr2 (1.7003)
Min
Max
38CrS2 (1.7023)
Min
Max
46Cr2 (1.7006)
Min
Max
46CrS2 (1.7025)
Min
Max
28Cr4 (1.7030)
Min
Max
28CrS4 (1.7036)
Min
Max
34Cr4 (1.7033)
Min
Max
34CrS4 (1.7037)
Min
Max
37CrS4 (1.7038)
Min
Max
37Cr4 (1.7034)
Min
Max
41Cr4 (1.7035)
Min
Max
41CrS4 (1.7039)
Min
Max
25CrMo4 (1.7218)
Min
Max
25CrMoS4 (1.7213)
Min
Max
34CrMo4 (1.7220)
Min
Max
34CrMoS4 (1.7226)
Min
Max
42CrMoS4 (1.7227)
Min
Max
42CrMo4 (1.7225)
Min
Max
50CrMo4 (1.7228)
Min
Max
36CrNiMo4 (1.6511)
Min
Max
34CrNiMo6 (1.6582)
Min
Max
30CrNiMo8 (1.6580)
Min
Max
50CrV4 (1.8159)
Min
Max
30CrMoV9 (1.7707)
Min
Max
For Reference Only